![Which firewall ports to open to allow browsing of instance names and connections to SQL Server 2008 R2 | oasysadmin Which firewall ports to open to allow browsing of instance names and connections to SQL Server 2008 R2 | oasysadmin](https://oasysadmin.files.wordpress.com/2012/07/createport.jpg?w=640)
Which firewall ports to open to allow browsing of instance names and connections to SQL Server 2008 R2 | oasysadmin
ERROR: "Verify the server and instance names and check that no firewall is blocking UDP traffic to port 1434. For SQL Server 2005 or later, verify that the SQL Server Browser Service
![KB73959048: ArtiosCAD - SQL Server 2005/ SQL Express browser and determining the port the database is listening on - KB73959048: ArtiosCAD - SQL Server 2005/ SQL Express browser and determining the port KB73959048: ArtiosCAD - SQL Server 2005/ SQL Express browser and determining the port the database is listening on - KB73959048: ArtiosCAD - SQL Server 2005/ SQL Express browser and determining the port](https://wiki.esko.com/download/attachments/75770939/388b.jpg?version=1&modificationDate=1379488532933&api=v2)